Impact of 4K ultra-high-definition endoscope in pituitary surgery: analysis of a comparative institutional case series

BACKGROUND: Trans-sphenoidal endoscopic surgery has drawn huge benefits from advances in surgical visualization. The Ultra-HD “4K” endoscope has improved 4-fold image resolution compared with HD, but its actual advantages are unclear. Aim of the present study was to assess its usefulness in the early outcome of trans-sphenoidal surgery.METHODS: We analyzed a series of 199 trans-sphenoidal pituitary adenoma procedures performed by an experienced...